[1] The theory proposes that the original capital of Japan was located in Kyushu, and when the Kofun period began, the Yamato Kingship moved the capital east to the Kinai region, before eventually moving it to Kyoto, and finally Tokyo, the current capital.
[b][c] The basic arguments for the Kyushu theory of the Yamatai Kingdom include the following.
Advocates of the Kyushu theory of the Yamataikoku include Arai Hakuseki, Shiratori Kurakichi, Dairoku Harada, Taku Tanaka,[6] Takehiko Furuta, Kenzaburo Torigoe,[7] Toshiaki Wakai,[8] Biten Yasumoto, Toshio Hoga and others.
In addition, it is said that research based on domestic materials such as "Kiki" tends not to be taken into consideration, despite the indications of Taro Sakamoto's "The Birth of the Nation" and Hidesaburo Hara, and Toshiaki Wakai said about this tendency before the war.
He criticizes the repressed theory of Sokichi Tsuda as being caused by being touted even after the war.